diff options
| -rw-r--r-- | ext/gd/gd.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/ext/gd/gd.c b/ext/gd/gd.c index 3065fd81b2..f090f1d63d 100644 --- a/ext/gd/gd.c +++ b/ext/gd/gd.c @@ -1721,7 +1721,9 @@ static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char switch (image_type) { case PHP_GDIMG_CONVERT_WBM: - if (q < 0 || q > 255) { + if (q == -1) { + q = 0; + } else if (q < 0 || q > 255) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); q = 0; } @@ -1766,9 +1768,12 @@ static void _php_image_output(INTERNAL_FUNCTION_PARAMETERS, int image_type, char switch (image_type) { case PHP_GDIMG_CONVERT_WBM: - if (q < 0 || q > 255) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); - } + if (q == -1) { + q = 0; + } else if (q < 0 || q > 255) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid threshold value '%d'. It must be between 0 and 255", q); + q = 0; + } gdImageWBMP(im, q, tmp); break; case PHP_GDIMG_TYPE_JPG: |